固める【かためるkatameru】to harden; to put together; to make secure; to fortify; to wear for a specific purpose (armor, coat, etc.); to swear; to tie tightly; to hold a bow fully drawn嘘で固める【うそでかためるusodekatameru】to fabricate a web of lies干し固める【ほしかためるhoshikatameru】to dry until stiff

かたまるkatamaru

固まる【かたまるkatamaru】to harden; to become firm; to gather (together)雨降って地固まる【あめふってじかたまるamefuttejikatamaru】adversity strengthens the foundations凝り固まる【こりかたまるkorikatamaru】to coagulate; to curdle; to clot; to be fanatical